1. A term of endearment, often expressed by members of mop-top haired boy bands, but rarely publicly. Often said moments before orgasm.
2. From that Beatles record
Hey, beautiful, come here, snuggle up... koo-koo-ka-chooka-koo-koo-ka-choo!
by Golf maven April 26, 2005
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1) awsome, cool, sweet. 2) o.k., alright, sure.
example 1): (1st person says): Dude, we get to go to Florida. (2nd person says): KOO KOO KA CHOO!!
example 2): (1st person says): Hey, can you get me the pen? (2nd person says): Koo koo ka choo.
by Josh December 13, 2004
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